diff --git a/Cargo.toml b/Cargo.toml
index f6b796c9..6b8b15f7 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -15,8 +15,8 @@ documentation = "https://docs.rs/robusta/"
 [dependencies]
 robusta-codegen = { version = "0.2", path = "./robusta-codegen" }
 jni = "0.19.0"
-paste = "1.0.0"
-static_assertions = "1.1.0"
+paste = "^1"
+static_assertions = "^1"
 
 [dev-dependencies]
 native = { path = "./tests/driver/native" }
diff --git a/robusta-android-example/Cargo.toml b/robusta-android-example/Cargo.toml
index c0b47cc4..02f7c459 100644
--- a/robusta-android-example/Cargo.toml
+++ b/robusta-android-example/Cargo.toml
@@ -9,7 +9,7 @@ name = "robustaandroidexample"
 crate-type = ["cdylib"]
 
 [dependencies]
-robusta_jni = { path = "../" }
+robusta_jni = { path = "../." }
 jni = "0.19.0"
-android_logger = "0.9"
-log = "0.4.8"
+android_logger = "^0"
+log = "^0"
diff --git a/robusta-codegen/Cargo.toml b/robusta-codegen/Cargo.toml
index e1cb1263..e96ff9c5 100644
--- a/robusta-codegen/Cargo.toml
+++ b/robusta-codegen/Cargo.toml
@@ -13,10 +13,10 @@ repository = "https://github.com/giovanniberti/robusta/robusta-codegen"
 proc-macro = true
 
 [dependencies]
-quote = "1"
+quote = "^1"
 proc-macro2 = { version = "1.0.21", features = ["span-locations"]}
-syn = { version = "1.0", features = ["visit", "fold", "derive"] }
+syn = { version = "^1", features = ["visit", "fold", "derive"] }
 proc-macro-error = { version = "1", default-features = false }
-rand = "0.7.3"
-darling = "0.10.2"
+rand = "^0"
+darling = "^0.14"
 Inflector = "0.11.4"
diff --git a/robusta-example/Cargo.toml b/robusta-example/Cargo.toml
index 523abff6..a9fd27d8 100644
--- a/robusta-example/Cargo.toml
+++ b/robusta-example/Cargo.toml
@@ -8,4 +8,4 @@ edition = "2018"
 crate-type = ["cdylib"]
 
 [dependencies]
-robusta_jni = { path = "../" }
+robusta_jni = { path = "../." }